yho.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 23 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.242.131.42 | — | mail.yayhosting.dk | AS62121 | — | — | — | — |
| TXT Record |
|---|
| v=spf1 ip4:195.242.131.2 ip4:195.242.131.42 include:_spf.e-studio.dk +a +mx +ip4:185.121.172.100 +ip4:217.116.228.50 +ip4:82.103.139.91 +ip4:82.103.137.67 +ip4:88.198.107.165 ~all |
| Policy | Record (yho.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:195.242.131.2 ip4:195.242.131.42 include:_spf.e-studio.dk +a +mx +ip4:185.121.172.100 +ip4:217.116.228.50 +ip4:82.103.139.91 +ip4:82.103.137.67 +ip4:88.198.107.165 ~all |
| www CNAME | yho.dk (all on yho.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.spamfri.dk | DANE-EE · SPKI · SHA-256 | 884451547A03D0AC2F628D943839BAA6… |
| SMTP _25._tcp.mx2.spamfri.dk | DANE-EE · SPKI · SHA-256 | 6598C93F79B95376BB8099E9AC862167… |
| SMTP _25._tcp.mx3.spamfri.dk | DANE-EE · SPKI · SHA-256 | BBFB0694919290E5BC9D6E2C6F47D846… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061704 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@e-studio.dk |
| Refresh | 3600s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2016-09-23 |
| Expires | 2027-09-30 (344d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 13:56:58 | 823ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-19 11:14:27 | 720ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-18 09:29:37 | 1586ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-17 09:09:52 | 736ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-16 08:16:51 | 708ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-16 07:27:35 | 1135ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-15 01:26:21 | 686ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-12 22:37:29 | 938ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-11 21:21:15 | 1061ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-10 19:17:56 | 1567ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-09 18:03:56 | 2036ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 12:43:06 | 889ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-07 12:33:51 | 797ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-06 12:10:45 | 2771ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-05 10:07:33 | 1838ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-04 09:59:55 | 824ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-03 09:58:13 | 517ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 09:57:29 | 1139ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 09:54:52 | 626ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 09:51:32 | 1698ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 09:39:21 | 694ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-28 09:20:20 | 785ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 09:12:39 | 639ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-26 17:19:45 | 691ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 17:04:29 | 678ms | 3 NS 1 A 3 MX | 🔒 Secure |